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3 years ago

6

What does an Astronomer study? *

1 answer:

ratelena [41]3 years ago

3 0

Answer:

an astronomer studies planets, stars, moons, etc, or objects that are outside the field of Earth.

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When humans look at the sky, it appears blue, but the Sun appears yellow. What causes this phenomenon?

Lesechka [4]

I believe that the answer is <span>C. The atmosphere scatters blue light more than yellow light.</span>

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3 years ago

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Why is it important for professionals in any field to be accurate and precise with their data collection??

kobusy [5.1K]

Answer:When prfessionals take data collections its important becasue it can cause error. Lets say they are sloppy with thier work and end up getting something that is not near what should be happening. This can have a major affect on the truth of what they are doing and an effect on thier end result in general.

Explanation:

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3 years ago

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Will a seismic wave traveling through a solid go slower or faster than a seismic wave traveling through a liquid? Why?

Snezhnost [94]

You can't answer this question because you aren't giving the specific type of seismic waves. There is an s-wave a p-wave and an l-wave. Those are the basic waves. An S-wave cannot travel through a liquid at all. So, obviously it travels slower than any other seismic wave.

<span>It would travel faster because their speed depends on the density and composition of material that they pass through.</span>

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3 years ago

You place a point charge q = -4.00 nC a distance of 9.00 cm from an infinitely long, thin wire that has linear charge density 3.

valentinak56 [21]

Answer:

$F=6\times 10^{-7}\ N$

Explanation:

Given:

quantity of point charge, $q=-4\times 10^{-9}\ C$

radial distance from the linear charge, $r=0.09\ m$

linear charge density, $\lambda=3\times 10^{-9}\ C.m^{-1}$

<u>We know that the electric field by the linear charge is given as:</u>

$E=\frac{\lambda}{2\pi.\epsilon_0.r}$

$E=\frac{1}{2}\times 9\times 10^9\times \frac{3\times10^{-9}}{0.09}$

$E=150\ N.C^{-1}$

<u>Now the force on the given charge can be given as:</u>

$F=E.q$

$F=150\times 4\times 10^{-9}$

$F=6\times 10^{-7}\ N$

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3 years ago

There are both enviromental and food stimuli that can disrupt sleep true or false

konstantin123 [22]

The answer is true. I hope that this helps you out!!

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3 years ago